The filter is based on the adaptable filtration technologies. Use the filter for suppressing undesirable fluctuations in Price Data. The Length parameter, defining the filtering period, is similar to the Length parameter in the moving averages, for example, in EMA. The sharpness influences the smoothness and its value is set as a value in the range from 1 to 10. The greater this parameter is, the lower will be the smoothness of the resulting data. The recommended value is 2,3.